Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1041101 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR26847256_1.fastq.gz | Fastqsanger.gz | |||
| SRR26847256_2.fastq.gz | Fastqsanger.gz | |||
| SRR26847257_1.fastq.gz | Fastqsanger.gz | |||
| SRR26847257_2.fastq.gz | Fastqsanger.gz | |||
| SRR26847258_1.fastq.gz | Fastqsanger.gz |
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Project description:The Drosophila lymph gland (LG) is the larval hematopoietic organ comprised of multipotent prohemocytes and mature hemocytes and has been a valuable model for understanding mechanisms underlying the hematopoiesis and immune responses. There are three types of mature hemocytes in the lymph gland; plasmatocytes, lamellocytes, and crystal cells, all of which are analogous to myeloid-lineage blood cells. To date, the Drosophila hematopoietic system has been primarily defined by classical genetic methods that may limit the promise of its advantage as a model. In this study, we used single-cell RNA sequencing method to comprehensively profile the heterogeneity of developing myeloid hemocytes in the wild-type lymph gland and their transitions upon active immunity caused by wasp infestation. Moreover, we compared hemocytes originated from the embryonic and the lymph gland hematopoiesis and unraveled genetic and cellular diversity of two different ancestries. Finally, hemocytes of the Drosophila lymph gland and human immune cells are contrasted at a transcriptome level, highlighting evolutionary conservations of myeloid cells across species. Overall, our single-cell RNA seq analyses disclose the development of myeloid hemocytes at a single-cell level and provide comparative insights into two different lineages of hemocytes in Drosophila and perspectives on the evolution of myeloid cells, serving as an ample resource for revealing essentials of the hematopoiesis.
2020-07-25 | GSE141274 | GEO
Project description:The Drosophila lymph gland (LG) is the larval hematopoietic organ comprised of multipotent prohemocytes and mature hemocytes and has been a valuable model for understanding mechanisms underlying the hematopoiesis and immune responses. There are three types of mature hemocytes in the lymph gland; plasmatocytes, lamellocytes, and crystal cells, all of which are analogous to myeloid-lineage blood cells. To date, the Drosophila hematopoietic system has been primarily defined by classical genetic methods that may limit the promise of its advantage as a model. In this study, we used single-cell RNA sequencing method to comprehensively profile the heterogeneity of developing myeloid hemocytes in the wild-type lymph gland and their transitions upon active immunity caused by wasp infestation. Moreover, we compared hemocytes originated from the embryonic and the lymph gland hematopoiesis and unraveled genetic and cellular diversity of two different ancestries. Finally, hemocytes of the Drosophila lymph gland and human immune cells are contrasted at a transcriptome level, highlighting evolutionary conservations of myeloid cells across species. Overall, our single-cell RNA seq analyses disclose the development of myeloid hemocytes at a single-cell level and provide comparative insights into two different lineages of hemocytes in Drosophila and perspectives on the evolution of myeloid cells, serving as an ample resource for revealing essentials of the hematopoiesis.
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Project description:Anopheline mosquitoes transmit Plasmodium parasites to humans, and are responsible for an estimated 219 million cases of malaria, leading to over 400,000 deaths annually. The mosquito’s immune system limits Plasmodium infection in several ways, and hemocytes, the insect white blood cells, are key players in these defense responses. However, the full functional diversity of mosquito hemocytes and their developmental trajectories have not been established. We use bulk RNA sequencing (scRNA-seq) to analyze the transcriptional profiles of hemocytes, of guts, and of carcasses of mosquito hemocytes in response to blood feeding or infection with Plasmodium. Data from three independent biological replicates for each condition and time-point (day 0, 1, 2, 3, and 7 after sugar-feeding, blood-feeding or P. berghei infection).
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Project description:Anopheline mosquitoes transmit Plasmodium parasites to humans, and are responsible for an estimated 219 million cases of malaria, leading to over 400,000 deaths annually. The mosquito’s immune system limits Plasmodium infection in several ways, and hemocytes, the insect white blood cells, are key players in these defense responses. However, the full functional diversity of mosquito hemocytes and their developmental trajectories have not been established. We use single cell RNA sequencing (scRNA-seq) to analyze the transcriptional profiles of individual mosquito hemocytes in response to blood feeding or infection with Plasmodium. Circulating hemocytes were collected from adult A. gambiae M form (A. coluzzii) females that were either kept on a sugar meal or fed on a healthy or a Plasmodium berghei-infected mouse. Transcriptomes from 5,383 cells (collected 1, 3, and 7 days after feeding) revealed nine major cell clusters.
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Project description:Single-cell RNA-seq analysis of scallop hemocytes
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